Odpowiedź:
p rombu = 6 x 21 x 1/2= 63(Cm²)
p trapezu = 1/2 x (a+b) x h
63=1/2x(4+14) x h
63 = 9 x h |:9
h=7cm
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Odpowiedź:
p rombu = 6 x 21 x 1/2= 63(Cm²)
p trapezu = 1/2 x (a+b) x h
63=1/2x(4+14) x h
63 = 9 x h |:9
h=7cm
p rombu = 6 x 21 x 1/2= 63(Cm²)
p trapezu = 1/2 x (a+b) x h
63=1/2x(4+14) x h
63 = 9 x h |:9
h=7cm
Szczegółowe wyjaśnienie: